873399808 has 20 divisors (see below), whose sum is σ = 1745094780. Its totient is φ = 436699648.

The previous prime is 873399781. The next prime is 873399811. The reversal of 873399808 is 808993378.

It is a super-2 number, since 2×873399808² = 1525654449228873728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852418 + ... + 853441.

It is an arithmetic number, because the mean of its divisors is an integer number (87254739).

Almost surely, 2^873399808 is an apocalyptic number.

It is an amenable number.

873399808 is a deficient number, since it is larger than the sum of its proper divisors (871694972).

873399808 is an equidigital number, since it uses as much as digits as its factorization.

873399808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705877 (or 1705861 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 873399808 is about 29553.3383562670. The cubic root of 873399808 is about 955.8821770844.

The spelling of 873399808 in words is "eight hundred seventy-three million, three hundred ninety-nine thousand, eight hundred eight".